2190 TSH w/Free T4 Reflex

Specimen:

Collect:

One 7.5 mL SST

Submit:

2 mL (Min:1 mL) Serum. Submit Refrigerated. Submit in a Standard Transport Tube.

Special Handling:

Allow specimen to clot completely at room temperature
Separate from cells ASAP

Rejection Criteria:

Grossly Hemolyzed Samples

Stability:

Ambient: Unacceptable; Refrigerated: 2 Day(s); Frozen: 2 Month(s); Incubated: Unacceptable

Methodology:

Chemiluminescence

Performed:

Mon-Fri

Reported:

1-3 Day(s)

CPT Codes:

84443 - Thyroid Stimulating Hormone

Interpretive Data:

General Reference Range : 0.3-5.0 uIU/ml